(19)
(11) EP 3 497 255 A1

(12)

(43) Date of publication:
19.06.2019 Bulletin 2019/25

(21) Application number: 17838213.1

(22) Date of filing: 08.08.2017
(51) International Patent Classification (IPC): 
C22B 26/12(2006.01)
C22B 3/20(2006.01)
 C22B 3/06(2006.01)
(86) International application number:
PCT/AU2017/050835
(87) International publication number:
WO 2018/027266 (15.02.2018 Gazette 2018/07)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 08.08.2016 US 201662372018 P

(71) Applicants:
  • LITHIUM EXTRACTION TECHNOLOGIES (AUSTRALIA) PTY LTD
    Sydney NSW 2000 (AU)
  • AUSTRALIAN NUCLEAR SCIENCE AND TECHNOLOGY ORGANISATION
    Lucas Heights New South Wales 2234 (AU)

(72) Inventors:
  • STANTON, Cameron
    Mosman, New South Wales 2088 (AU)
  • LAWSON, John
    Belmont North, New South Wales 2280 (AU)
  • FREEMAN, Paul
    Woronora, New South Wales 2232 (AU)
  • BURLING, Suzanne
    Gymea, New South Wales 2227 (AU)

(74) Representative: Jacob, Reuben Ellis 
Maucher Jenkins 26 Caxton Street
London SW1H 0RJ
London SW1H 0RJ (GB)

   


(54) A PROCESS FOR THE CONVERSION OF LITHIUM PHOSPHATE INTO A LOW PHOSPHATE LITHIUM SOLUTION SUITABLE AS FEEDSTOCK FOR THE PRODUCTION OF SALEABLE LITHIUM PRODUCTS AND FOR THE RECOVERY OF PHOSPHOROUS FOR RE-USE IN THE PRODUCTION OF LITHIUM PHOSPHATE